| 1525241 | STK4220MK2 | 2ch./1packge, +- Power Supply 6W/ch. ~ 100W/ch. THD=0.4% | SANYO |
| 1525242 | STK4220MK5 | 2ch./1packge, +- Power Supply 6W/ch. ~ 100W/ch. THD=0.08% | SANYO |
| 1525243 | STK4221II | AF Power Amplifier (Split Power Supply) (80W + 80W min, THD = 0.4%) | SANYO |
| 1525244 | STK4221V | 2-Channel 80 W min AF Power Amplifier (Split Power Supply) | SANYO |
| 1525245 | STK4224MK2 | Features of the IMST Hybird ICs | etc |
| 1525246 | STK4224MK5 | Features of the IMST Hybird ICs | etc |
| 1525247 | STK4225MK2 | Features of the IMST Hybird ICs | etc |
| 1525248 | STK4225MK2 | STK Audio Power Amplifier | etc |
| 1525249 | STK4225MK5 | Features of the IMST Hybird ICs | etc |
| 1525250 | STK4229MK2 | STK4159MK2 | Unknow |
| 1525251 | STK4230K5 | 100W x 2-channel power amplifier | SANYO |
| 1525252 | STK4230MK2 | 2ch./1packge, +- Power Supply 6W/ch. ~ 100W/ch. THD=0.4% | SANYO |
| 1525253 | STK4230MK5 | 2ch./1packge, +- Power Supply 6W/ch. ~ 100W/ch. THD=0.08%¡¡ | SANYO |
| 1525254 | STK4230MK5 | STK Audio Power Amplifier | SANYO |
| 1525255 | STK4231 | 2-Channel 100W min AF Power Amp(Dual Supplies), Thick Film Hybrid IC | SANYO |
| 1525256 | STK4231 | AF Power Amplifier(Split Power Supply)(100W+100W min, THD=0.08%) | SANYO |
| 1525257 | STK4231II | 2ch AF Power Amplifier | SANYO |
| 1525258 | STK4231V | AF Power Amplifier | SANYO |
| 1525259 | STK4234MK2 | Features of the IMST Hybird ICs | etc |
|
| 1525260 | STK4234MK5 | Features of the IMST Hybird ICs | etc |
| 1525261 | STK4235MK2 | STK Audio Power Amplifier | etc |
| 1525262 | STK4235MK2 | Features of the IMST Hybird ICs | etc |
| 1525263 | STK4235MK5 | Features of the IMST Hybird ICs | etc |
| 1525264 | STK4239MK2 | STK4159MK2 | Unknow |
| 1525265 | STK4241 | AF Power Amplifier (Split Power Supply) (120W+120W min, THD = 0.08%) | SANYO |
| 1525266 | STK4241 | 2ch AF Power Amplifier (Split Power Supply) (120W + 120W min, THD = 0.4%)¡¡ | SANYO |
| 1525267 | STK4241II | 2ch AF Power Amplifier | SANYO |
| 1525268 | STK4241V | AF Power Amplifier | SANYO |
| 1525269 | STK4244MK5 | STK4244MK5 | SANYO |
| 1525270 | STK426-530 | 2 CHANNEL HIGH EFFICIENCY AF POWER AMPLIFIER | SANYO |
| 1525271 | STK4273 | 2 Channel AF Power Amp | SANYO |
| 1525272 | STK4274 | Current Amp | SANYO |
| 1525273 | STK4275 | FOCUS OUTPUT POWER AMP | SANYO |
| 1525274 | STK4278 | STK4278 | etc |
| 1525275 | STK4278L | STK4278L | SANYO |
| 1525276 | STK4301 | 2 Channel 22W Min to 28W Min AF Power AMP | SANYO |
| 1525277 | STK4311 | STK4311 | SANYO |
| 1525278 | STK433 | THICK FILM HYBRID IC | etc |
| 1525279 | STK433 | AF Power Amplifier (5W + 5W min, THD = 1.0%) | SANYO |
| 1525280 | STK4332 | Features of the IMST Hybird ICs | etc |
